[Bob Ireland]

***In other words, the genetic variation that caused it to develop three roots in Xiahe is probably different to that which caused molars with three roots in modern populations, predominantly from Asia***

Denisovan dentists must have also been geneticists who were experts at doing root canals... three root canals for the price of two. Unhappily, their dental chairs were made of stone.

[SunkenCiv]

I wonder if anyone in modern times has tried making tooth drill bits out of obsidian?